On Sat, 2017-04-08 at 11:28 -0400, Jiri Benc wrote: > Perhaps the structure should be named just "netlink_ext" or so? It > seems it'll pick up some non-error related usage, such as the cookies > here or, in the future, flags indicating how the message should be > parsed. Fair point, I'll call it netlink_ext_ack. johannes